KDP categories · Top KDP authors
Hydroponics: Amazon KDP category data
Amazon Books Best Sellers data for Hydroponics, updated Nov 2, 2026: median price $15.99, median 42 reviews, average rating 4.5 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $12.04 – $21.82 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 9% of the parent category By Technique (474), one of the easier corners under it.
Top 10 Hydroponics best sellers
-
How to Garden Indoors & Grow Your Own Food Year-Round: Ultimate Guide to Vertical, Container, and Hydroponic Gardening (Creative Homeowner) Vegetables, Herbs, DIY Projects, Composting, Lights, & More
by Kim Roman
- List rank#1
- Price$16.30
- Rating4.6
- Reviews419
-
The Cannabis Grow Bible: The Definitive Guide to Growing Marijuana for Recreational and Medical Use
by Greg Green
- List rank#2
- Price$25.99
- Rating4.7
- Reviews82
-
The Greenhouse Gardener's Manual
by Roger Marshall
- List rank#3
- Price$14.98
- Rating4.7
- Reviews1,165
-
DIY Hydroponic Gardens: How to Design and Build an Inexpensive System for Growing Plants in Water
by Tyler Baras
- List rank#4
- Price$21.43
- Rating4.6
- Reviews1,452
-
The Greenhouse Gardener's Bible: The Most Complete Guide to Start Growing your Own Vegetables, Fruits, and Herbs All-Year-Round | Raised Bed Gardening, Hydroponics & Companion Planting
by Tyler Gordon
- List rank#5
- Price$21.97
- Rating4.1
- Reviews284
-
The Year-Round Solar Greenhouse: How to Design and Build a Net-Zero Energy Greenhouse
by Lindsey Schiller
- List rank#6
- Price$19.41
- Rating4.6
- Reviews858
-
The Complete Guide to Hydroponics: Year-Round Harvests with Practical Techniques and Creative Solutions for Visually Stunning Urban Gardens (The Urban Farming Blueprint)
by The Urban Farming Blueprint
- List rank#7
- Price$19.99
- Rating4.0
- Reviews180
-
Hydroponics for Beginners: The Complete Guide to Hydroponic Gardening, Designing and Building Inexpensive DIY Hydroponic Systems, And Growing Vegetables, Fruits, and Herbs in Water
by Max Barnes
- List rank#8
- Price$14.99
- Rating4.4
- Reviews227
-
Cannabis Grower's Handbook: The Complete Guide to Marijuana and Hemp Cultivation
by Ed Rosenthal
- List rank#9
- Price$41.89
- Rating4.7
- Reviews800
-
Hydroponics for Beginners: Simple Systems, Proven Setups, 21-Day Plan for a Fast First Harvest of Herbs and Greens Without the Guesswork
by Casey Rowan
- List rank#10
- Price$17.99
- Rating4.8
- Reviews109
FAQ
Is Hydroponics a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 42 reviews and sells for $15.99.
How many reviews do you need to rank in Hydroponics?
The median best seller has 42 reviews, and 59% of them have fewer than 100.
What do Hydroponics best sellers cost?
The median price is $15.99; half of the best sellers are priced between $12.04 and $21.82.
Can new books break into Hydroponics?
6% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.